SOLUTION: Solve the equation on the given interval, expressing the solution for x in terms of inverse trigonometric functions. (Enter your answers as a comma-separated list.)
(tan x)2 + 2 t
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Question 865398: Solve the equation on the given interval, expressing the solution for x in terms of inverse trigonometric functions. (Enter your answers as a comma-separated list.)
(tan x)2 + 2 tan x − 63 = 0 on (−π/2, π/2)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve the equation on the given interval, expressing the solution for x in terms of inverse trigonometric functions. (Enter your answers as a comma-separated list.)
(tan x)^2 + 2 tan x − 63 = 0 on (−π/2, π/2)
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Factor:
(tan(x)+9)(tan(x)-7) = 0
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tan(x) = -9 or tan(x) = 7
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arctan(-9) = -1.46 radians
arctan(7) = 1.43 radians
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Cheers,
Stan H.
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